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sleep

noun · verb

Simple meaning

Reduced consciousness during which a human or animal rests in a daily rhythm.

Pronunciation

Say it like this:

sleep
US device voice
IPA pronunciation (US)

ˈslip

This word is pronounced essentially the same in American and British English, so one transcription covers both.

IPA (International Phonetic Alphabet) is a standard way of writing speech sounds.

Word Review

Definition

Everyday modern meanings first, grouped by part of speech.

noun

  1. uncountable

    The state of reduced consciousness during which a human or animal rests in a daily rhythm.

  2. A natural and periodic state of rest during which consciousness of the world is suspended

  3. uncountable

    Rheum, crusty or gummy discharge found in the corner of the eyes after waking, whether real or a figurative objectification of sleep (in the sense of reduced consciousness).

  4. The hibernation of animals.

  5. countableinformal

    An act or instance of sleeping.

verb

  1. intransitive

    To rest in a state of reduced consciousness.

  2. intransitive

    To be, or appear to be, in repose; to be quiet; to be unemployed, unused, or unagitated; to rest; to lie dormant.

  3. transitive

    To accommodate in beds.

  4. intransitiveidiomatic

    To be careless, inattentive, or unconcerned; not to be vigilant; to live thoughtlessly.

  5. Be able to accommodate for sleeping

Word at a Glance

Difficulty
A1 · Beginner (estimated)
Frequency
Common
Typical Use
Everyday English

Word Aura™

How this word commonly comes across.

Aura for this meaning

This meaning: The state of reduced consciousness during which a human or animal rests in a daily rhythm.

Used this way, sleep is a reasonably familiar word that usually carries little praise or criticism of its own. It usually sounds natural in a wide range of settings.

Emotional tone
Neutral
Formality
Neutral
Intensity
Not strongly marked
How common
Moderately common
Connotation
Matter-of-fact
Usage feel
Neutral and straightforward

Nearby words

  • rest , a specialist term, precise but narrower
  • eternal sleep , rarer, so it draws attention
  • kip , more casual, better suited to speech than writing

Word Aura describes common impressions, not a measurement. Tone changes with sentence, speaker, relationship and situation.

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Common Patterns and Combinations

How this word naturally appears with others.

deep sleeprem sleepsleep apneasleep disorderssome sleep

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Similar Words, What’s the Difference?

Close in meaning, but not always interchangeable.

  • rest

    Any relief from exertion.

  • slumber

    A very light state of sleep, almost awake.

  • nap

    The legal or political principle asserting that initiating conflict against persons or their property, or threatening….

Word Family

Related forms, grouped by how they connect.

Inflected forms

Grammatical variations of the same word.

  • sleepernounInflected form

    A rester who is sleeping.

Compound terms

Established multiword terms.

  • sleep terror disordernounCompound term

    A disorder of sleep characterized by a dream of terrifying dimensions far worse than a typical nightmare.

  • sleep togetherverbCompound term

    Have sexual intercourse with.

  • sleep withverbCompound term

    Have sexual intercourse with.

  • sleeper cellnounCompound term

    A cell of sleepers.

  • sleeper gobynounCompound term

    Tropical fish that resembles a goby and rests quietly on the bottom in shallow water.

  • sleeper nestnounCompound term

    A nest of sleepers awaiting a prearranged signal.

Related words

Connected by subject or meaning, not by word formation.

Related Words

Connected to the same idea, not synonyms.

More about this wordSynonyms, forms, origin

Synonyms

Sense: reduced consciousness during which a human

restTechnicaleternal sleepRare

Antonyms

Sense: reduced consciousness during which a human

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Dictionary data from Wiktionary via the Free Dictionary API. Simple meanings, combinations and word intelligence are built from verified reference data, no AI is used to load this page.